import axios from 'axios'
import router from '@/router'
import {
  Message
} from 'element-ui'
import store from '@/store'
import {
  getToken
} from '@/utils/auth'

// create an axios instance
const service = axios.create({
  baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
  // withCredentials: true, // send cookies when cross-domain requests
  timeout: 300000 // request timeout
})

// request interceptor
service.interceptors.request.use(
  config => {
    // do something before request is sent

    if (store.getters.token) {
      // let each request carry token
      // ['X-Token'] is a custom headers key
      // please modify it according to the actual situation
      config.headers['authorization'] = getToken()
    }
    return config
  },
  error => {
    // do something with request error
    console.log(error) // for debug
    return Promise.reject(error)
  }
)

// response interceptor
service.interceptors.response.use(
  /**
   * If you want to get http information such as headers or status
   * Please return  response => response
   */

  /**
   * Determine the request status by custom code
   * Here is just an example
   * You can also judge the status by HTTP Status Code
   */
  response => {
    const res = response.data
    // res.code = 40001
    // console.log(res.code)
    if (res.code === 500) {
      Message({
        message: res.msg,
        type: 'error',
        duration: 5 * 1000
      }).then(() => {
        router.push('/login')
      })
      return Promise.reject(new Error(res.msg))
    } else {
      return res
    }
  },
  error => {
    if (error.response == null) {
      // Message({
      //   message: '服务器已关闭',
      //   type: 'error',
      //   duration: 5 * 1000
      // })
      return
    }
    if (error && error.response && error.response.data && error.response.data.msg) {
      Message({
        message: error.response.data.msg,
        type: 'error',
        duration: 5 * 1000
      })
    } else {
      if (error.response.status === 400 && error.response.data.errors && error.response.data.errors.length) {
        Message({
          message: error.response.data.errors[0].defaultMessage,
          type: 'error',
          duration: 5 * 1000
        })
      } else {
        Message({
          message: '网络异常，请稍后再试',
          type: 'error',
          duration: 5 * 1000
        })
      }
    }
    return Promise.reject(error)
  }
)

export default service
